Auditory feedback instrument



FIG. 1 is an axonometric view of an auditory feedback instrument showingmy new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is bottom view thereof.

The ornamental design for an auditory feedback instrument, as shown anddescribed.